GeForce GTS 150M and GeForce 620M - video card comparison
GeForce GTS 150M
GeForce 620M
Architecture
G9x (2007−2010)
Fermi 2.0 (2010−2014)
GPU code name
N10E-GE1
GF117
Market segment
Laptop
Desktop
Release date
March 2009
March 2012
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
SLI options
2-way
-
MXM Type
MXM 3.0 Type-B
-
Core clock speed
400 MHz
625 MHz
CUDA cores
64
-
Floating-point performance
128 gflops
240.0 gflops
Gigaflops
192
-
Manufacturing process technology
55 nm
28 nm
Number of transistors
505 million
585 million
Pipelines / CUDA cores
64
96
Power consumption (TDP)
45 Watt
15 Watt
Texture fill rate
13 billion/sec
10.00
Memory type
GDDR3
DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
Up to 800 MHz
1800 MHz
Memory bandwidth
51 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
DisplayPortHDMIDual Link DVILVDSSingle Link DVIVGA
No outputs
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 (11_0)
CUDA
+
2.1
OpenCL
1.1
1.1
OpenGL
2.1
4.6
Shader Model
4.0
5.1
Vulkan
N/A
N/A
Power management
8.0
-